: If you don't have a dedicated extractor, download the official tool at 7-zip.org or use a free alternative like PeaZip .
: Use a third-party tool like The Unarchiver or Keka . Double-clicking the .001 file in these apps will trigger the automatic joining of all volumes. Cck 7z 003
To access the contents of , you must treat it as part of a single continuous file. You cannot open it individually. : If you don't have a dedicated extractor,